Epitaxial Rotation and Rotational Phase Transitions

  • François Grey
  • Jakob Bohr
Part of the NATO ASI Series book series (NSSB, volume 267)


When one crystalline material grows on another, the high-symmetry directions of the adsorbate usually align with high symmetry directions of the substrate. In some cases, though,the adsorbate undergoes an epitaxial rotation: the high symmetry directions of the adsorbate are rotated some apparently arbitrary angle with respect to those of the substrate. We discuss several experimental examples of this phenomenon, and review briefly the theoretical efforts to understand and predict epitaxial rotation. We argue that a simple symmetry principle seems to underly the theoretical results, and that it explains many otherwise curious experimental observations. The principle leads in a straightforward way to the consideration of several types of rotational phase transition, which we discuss qualitatively.


Domain Wall Rotation Angle Interface Energy Reciprocal Space Coincidence Site Lattice 
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Copyright information

© Plenum Press, New York 1991

Authors and Affiliations

  • François Grey
    • 1
    • 2
  • Jakob Bohr
    • 2
  1. 1.Max Planck Institute for Solid State ResearchStuttgart 80Germany
  2. 2.Physics DepartmentRisø National LaboratoryRoskildeDenmark [1]

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